<template>
  <div>
    <div class="user-info-head" @click="editCropper()"><img v-bind:src="img" title="点击上传头像" class="img-circle img-lg" /></div>
    <el-dialog :title="title" :visible.sync="open" :modal="false" :appendToBody="false" width="800px" :top="scrollTop" v-dialog-drag @opened="modalOpened" :close-on-click-modal="false">
      <el-row>
        <el-col :xs="24" :md="12" :style="{height: '350px'}">
          <vue-cropper
            ref="cropper"
            :img="options.img"
            :info="true"
            :autoCrop="options.autoCrop"
            :autoCropWidth="options.autoCropWidth"
            :autoCropHeight="options.autoCropHeight"
            :fixedBox="options.fixedBox"
            @realTime="realTime"
            v-if="visible"
          />
        </el-col>
        <el-col :lg="{span: 2, offset: 5}" :md="2">
          <el-button size="small"  @click="selectImg()">本地选择</el-button>
        </el-col>
        <el-col :xs="24" :md="12" :style="{height: '310px'}">
          <div class="avatar-upload-preview">
            <img :src="previews.url" :style="previews.img" />
          </div>
        </el-col>
      </el-row>
      <br />
      <el-row>
        <el-col :lg="2" :md="2">
          <el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
            <el-button size="small">
              上传
              <i class="el-icon-upload el-icon--right"></i>
            </el-button>
          </el-upload>
        </el-col>
        <el-col :lg="{span: 1, offset: 2}" :md="2">
          <el-button icon="el-icon-plus" size="small" @click="changeScale(1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-minus" size="small" @click="changeScale(-1)"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-left" size="small" @click="rotateLeft()"></el-button>
        </el-col>
        <el-col :lg="{span: 1, offset: 1}" :md="2">
          <el-button icon="el-icon-refresh-right" size="small" @click="rotateRight()"></el-button>
        </el-col>

      </el-row>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" size="small" @click="uploadImg()">提 交</el-button>
        <el-button @click="cancel" size="small">取 消</el-button>
      </div>
    </el-dialog>
    <el-dialog :title="title" :visible.sync="select" :modal="false" :appendToBody="false" width="450px" :top="scrollTop" v-dialog-drag @opened="modalOpened" :close-on-click-modal="false" @close="cancelSelect()">
      <div class="img select"><img :src="img"></div>
      <div class="allImg">
          <div class="img" v-for="item in 9">
            <img :src="require(`@/assets/images/user/hpic${item}.jpg`)" @click="chooseImg(item)">
          </div>
      </div>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" size="small" @click="submitForm()">保 存</el-button>
        <el-button @click="cancelSelect()" size="small">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import store from "@/store";
import { VueCropper } from "vue-cropper";
import { uploadAvatar } from "@/api/system/user";
import request from '@/utils/request';
export default {
  components: { VueCropper },
  props: {
    user: {
      type: Object
    }
  },
  data() {
    return {
      // 是否显示弹出层
      open: false,
      select:false,
      // 是否显示cropper
      visible: false,
      // 弹出层标题
      title: "修改头像",
      options: {
        img: store.getters.avatar, //裁剪图片的地址
        autoCrop: true, // 是否默认生成截图框
        autoCropWidth: 200, // 默认生成截图框宽度
        autoCropHeight: 200, // 默认生成截图框高度
        fixedBox: false // 固定截图框大小 不允许改变
      },
      previews: {},
      scrollTop: null,
      img:store.getters.avatar,
      isShow:false,
      oldImg:null,
      besure:true,
    };
  },
  methods: {
    // 编辑头像
    editCropper() {
      request({
        url: '/getInfo',
        method: 'get',
      }).then(res => {
        if (res.user.avatarType == 'N'){
            this.options.img = null;
            this.previews = {};
        }
        this.open = true;
      }).catch(err => {

      })

    },
    // 打开弹出层结束时的回调
    modalOpened() {
      this.visible = true;
    },
    // 覆盖默认的上传行为
    requestUpload() {
    },
    // 向左旋转
    rotateLeft() {
      this.$refs.cropper.rotateLeft();
    },
    // 向右旋转
    rotateRight() {
      this.$refs.cropper.rotateRight();
    },
    // 图片缩放
    changeScale(num) {
      num = num || 1;
      this.$refs.cropper.changeScale(num);
    },
    // 上传预处理
    beforeUpload(file) {
      if (file.type.indexOf("image/") == -1) {
        this.msgError("文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。");
      } else {
        const reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = () => {
          this.options.img = reader.result;
        };
      }
    },
    // 上传图片
    uploadImg() {
      if (this.options.img == null){
        this.$message({
          message: '请上传图片或选择本地图片！',
          type: 'warning'
        });
        return
      }
      this.$refs.cropper.getCropBlob(data => {
        let formData = new FormData();
        formData.append("avatarfile", data);
        uploadAvatar(formData).then(response => {
          this.open = false;
          // this.options.img = process.env.VUE_APP_BASE_API + response.imgUrl;
          // this.img =  process.env.VUE_APP_BASE_API + response.imgUrl;
          this.options.img = request.baseURL + response.imgUrl;
          this.img = request.baseURL  + response.imgUrl;
          store.commit('SET_AVATAR', this.options.img);
          this.msgSuccess("修改成功");
          this.visible = false;
        });
      });
    },
    // 实时预览
    realTime(data) {
      this.previews = data;
    },

    selectImg(){
      this.open = false;
      this.title = '选择头像';
      this.besure = true;
      this.oldImg = store.getters.avatar;
      this.select = true;
    },
    // 取消按钮
    cancel() {
      this.open = false;
    },
    chooseImg(item){
      this.isShow = true;
      this.img = require(`@/assets/images/user/hpic${item}.jpg`);
      store.commit('SET_AVATAR',  this.img);
    },
    cancelSelect(){
      if (this.besure){
        store.commit('SET_AVATAR', this.oldImg);
        this.img = store.getters.avatar;
      }
      this.select = false;
    },
    submitForm(){
      if (this.isShow){
        request({
          url: '/system/user/profile/localAvatar',
          method: 'post',
          params: {avatar:this.img,avatarType:'N'}
        }).then(res => {
          this.msgSuccess("修改成功");
          this.img = res.imgUrl;
          store.commit('SET_AVATAR',  this.img);
          this.besure = false;
          this.select = false;
          this.visible = false;
        }).catch(err => {
          this.$message.error("修改失败");
        })
      }else{
        this.msgSuccess("修改成功");
        this.select = false;
        this.visible = false;
      }
    },
  },
    mounted() {
      this.utils.mounteds(this);
    },
    destroyed() {
      this.utils.destroyeds(this);
    },
};
</script>
<style scoped lang="scss">
.user-info-head {
  position: relative;
  display: inline-block;
  height: 120px;
}

.user-info-head:hover:after {
  content: '+';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  color: #eee;
  background: rgba(0, 0, 0, 0.5);
  font-size: 24px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: pointer;
  line-height: 110px;
  border-radius: 50%;
}
.select {
  margin: auto;
}
  .img{
    width: 30%;
    margin-bottom: 10px;
  }
.img img{
  width: 80px;
  height: 80px;
  cursor: pointer;
  border-radius: 50%;
}
  .allImg{
      padding: 30px 30px;
    display: flex;
    justify-content: space-between;
    flex-flow: wrap;
  }
</style>
